"The move to America has been f**king amazing," Barrowman told Deadline.
"There is so much more we can do with Torchwood now having made the leap to America."

He added that the action sequences in the series, which is subtitled Miracle Day, are "unbelievable".

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"The audience is going to need a forklift truck to pick their jaws off the ground," he joked. "I used to do quite a lot of stunts... but now I'm not allowed to because of the insurance policy. I'm much more valuable in America!"

Barrowman also insisted that the sexual nature of his character Jack Harkness will not be toned down for US audiences.

"Jack will have his little dabblings and the audience will get exactly what they want," he claimed. "And I had a lot of fun doing it!"

Torchwood: Miracle Day will premiere in July on BBC One in the UK and Starz in the US.

Take a look at the latest poster for the new series of Torchwood below: